Co-operation In Finland, Teosto is a member of the Creative Workers and Companies' Cooperation Project Lyhty. Teosto is also an active partner in the antipiracy work through the Copyright Information and Anti-Piracy Centre. Teosto is a member of the International Confederation of Societies of Authors and Composers CISAC and of the European Grouping of Sociaties of Authors and Composers. Teosto keeps in touch with the market development and wants to ensure that music copyright remains appreciated also in the changing world. Teosto is prepared to face the digital and global markets and has, for example, tightened cooperation with the other Nordic authors' rights organizations.